IBM 82,83, and 84 sorters 
by International Business Machines Corporation, U.S.A. 
 - New York  International Business Machines Corporation  1969 
 - 35p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>IBM sorters
<br/><br/><label>Dewey Class. No.: </label>I5372 In8/PRL/1